Mathematics
How many metres of canvas 1.25 m will be needed to make a conical tent whose base radius is 17.5 m and height 6 m?
Related Questions
The radius and the height of a right circular cone are in the ratio of 5 : 12 and its volume is 2512 cm3. Find:
(i) the radius and height of the cone
(ii) the curved surface area of the cone
(iii) the total surface area of the cone
(Take π = 3.14)
The curved surface area of a cone is 4070 cm2 and its diameter is 70 cm. Calculate its :
(i) slant height
(ii) height and
(iii) volume
A circus tent is cylindrical to a height of 3 meters and conical above it. If its diameter is 105 m and the slant height of the conical portion is 53 m, calculate the length of the canvas 2.5 m wide to make the required tent.
An iron pillar consists of a cylindrical portion, 2.8 m high and 20 cm in diameter and a cone 42 cm high is surrounding it. Find the weight of the pillar, given that 1 cm3 of iron weighs 7.5 g.